Does this mean that the Perf/Watt of the M2 Max 12 Core is almost half that of the Ryzen 9 7945HX? I think it's impressive to not only double the performance,

Does this mean that the Perf/Watt of the M2 Max 12 Core is almost half that of the Ryzen 9 7945HX? I think it's impressive to not only double the performance, and still keep roughly the same power rating.